[Ips-msgr] IPS Monthly Report - June 02
rwc
rwc at ips.gov.au
Tue Jul 2 09:10:52 EST 2002
SUBJ: IPS MONTHLY SUMMARY - JUNE 2002
ISSUED BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SOLAR-GEOPHYSICAL INDICES
SOLAR AUST AUST
Day 10 cm flux A-INDEX T INDEX
01-Jun 179 2 118
02-Jun 175 12 135
03-Jun 170 10 126
04-Jun 170 11 130
05-Jun 159 4 121
06-Jun 155 6 128
07-Jun 158 5 116
08-Jun 155 7 108
09-Jun 157 7 123
10-Jun 152 12 119
11-Jun 148 9 110
12-Jun 142 7 116
13-Jun 133 5 106
14-Jun 131 3 110
15-Jun 135 5 103
16-Jun 137 7 112
17-Jun 143 4 114
18-Jun 143 8 98
19-Jun 146 10 123
20-Jun 145 5 115
21-Jun 140 5 100
22-Jun 142 4 104
23-Jun 143 7 122
24-Jun 150 5 104
25-Jun 145 6 117
26-Jun 144 4 117
27-Jun 139 1 113
28-Jun 137 1 103
29-Jun 143 4 100
30-Jun 147 11 107
10 CM SUNSPOT SUNSPOT AUST AUST No of
FLUX NUMBER NUMBER A-INDEX T INDEX FLARES
Monthly Monthly Yearly Monthly Monthly >M1.0
Month Average Average Average Average Average
Jun 01 173.7 134.0 109.8 5.9 135.8 13
Jul 01 131.3 82.2 111.7 6.5 113.6 2
Aug 01 163.2 106.8 113.6 8.0 113.3 23
Sep 01 233.3 150.7 114.1 9.3 146.8 48
Oct 01 208.2 125.6 114.0 15.8 149.8 36
Nov 01 212.7 106.5 115.6 16.1 156.1 47
Dec 01 235.6 131.8 114.7 12.6 144.7 46
Jan 02 226.8 113.9 113.1p 10.9 155.7 21
Feb 02 205.2 108.0 112.5p 11.1 154.4 19
Mar 02 179.5 98.1 108.8p 10.4 165.1 15
Apr 02 189.5 120.4 104.2p 11.2 143.2 17
May 02 178.4 120.8 101.2p 8.4 133.0 16
Jun 02 148.8 88.5 97.8p 6.2 113.9 4
Monthly T indices
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1992 153 172 155 134 95 80 88 66 68 66 84 90
1993 74 77 79 63 63 64 62 50 37 40 34 43
1994 57 41 42 26 15 14 23 18 20 20 20 20
1995 24 33 23 13 3 11 13 10 13 9 13 7
1996 12 7 4 2 5 2 3 4 4 3 11 15
1997 14 11 10 8 11 5 9 17 32 27 28 38
1998 40 41 43 56 46 56 76 75 86 69 74 93
1999 94 81 89 77 98 123 124* 105* 89 91 123 113*
2000 108 120 158 154 133 133 147 140 124 130 137 140
2001 133 127 137 122 113* 134* 112* 114* 143* 151* 158* 145*
2002 155* 151* 159* 119^ 113^ 107^ 100^ 93^ 86^ 81^ 78^ 75^
2003 72^ 69^ 67^ 64^ 61^ 59^ 57^ 54^ 52^ 49^ 47^ 45^
2004 43^ 41^ 39^ 37^ 35^ 33^ 31^ 29^ 28^ 26^ 24^ 23^
2005 21^ 20^ 19^ 17^ 16^ 15^ 14^ 13^ 12^ 11^ 10^ 9^
2006 8^ 8^ 7^ 6^ 6^ 5^ 5^ 5^ 4^ 4^ 4^ 4^
2007 4^ 5^ 5^ 6^ 7^ 8^ 9^ 11^ 13^ 16^ 18^ 21^
2008 25^ 28^ 32^ 36^ 41^ 45^ 50^ 54^ 59^ 64^ 68^ 73^
* = New data. T index may have changed.
^ = IPS predicted T index.
===============================================================================
2. FLARES AND SHORT-WAVE FADEOUTS
DATE CLASS M CLASS X FLARE FADEOUT POSSIBLE ON
FLARES FLARES MAX DAYLIGHT HF CIRCUIT
01 Jun 02 M1.5/1N 0357UT
01 Jun 02 M1.1/SF 1049UT
02 Jun 02 M1.1/1F 2044UT
23 Jun 02 M1.6/2F 0255UT
2.1 Comments on Solar Activity.
Solar activity was at mostly low to moderate levels for the month,
with 4 M1 level xray flare events. No X class flare events were
observed. The largest flare for the month was an M1.6 on Jun 23.
===============================================================================
3. GEOMAGNETIC DISTURBANCES (for Australian Region)
DATE COMMENTS
8 Jun: A weak sudden impulse (13nT) was observed in IPS magnetometer data at 1141UT.
No significant activity followed impulse.
No signifcant periods of disturbance were observed this month. Unsettled levels,
with isolated active periods were observed during the intervals 2-4, 8-10, 18-19
and 30 June.
===============================================================================
4. IONOSPHERIC DISTURBANCES (for Australian Region)
18 Jun: Regional MUFs 10-15% depressed, local daylight hours.
27-30 Jun: MUFs at Vanimo, PNG, depressed 20-30% during interval
14-18UT.
No significant periods of ionospheric depression were observed this
month in the Australian/New Zealand region.
===============================================================================
5. IPS WARNINGS AND ALERTS ISSUED
WARNINGS:
HF RADIO WARNING:
ISSUE DATE NO BEGIN END
02 Jun 02 26 02 Jun 02 04 Jun 02
02 Jun 02 27 03 Jun 02 04 Jun 02
GEOMAGNETIC WARNING:
ISSUE DATE NO BEGIN END
02 Jun 02 20 03 Jun 02 04 Jun 02
ALERTS:
01 Jun 02: Flare Alert
02 Jun 02: Flare Alert
23 Jun 02: Flare Alert
SWF ALERTS AND DURATION REPORTS
DATE SWF BEGIN-END (UT)
None Issued.
IPS Radio and Space Services | email: asfc at ips.gov.au
PO Box 1386 | WWW: http://www.ips.gov.au/asfc
Haymarket NSW 1240 AUSTRALIA | FTP: ftp://ftp.ips.gov.au/users/asfc/
tel: +61 2 9213 8010 | fax: +61 2 9213 8060
More information about the ips-msgr
mailing list